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New Materials for Next-Generation Commercial Transports (1996) / Chapter Skim
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9 Committee Findings
Pages 71-76

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From page 71...
... v Conclusions and Recommendations
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From page 73...
... The specialty materials industries find it difficult to make the longterm financial commitment needed to undertake a major development program. Principal "new" airframe materials expected to realize increased use in the next generation of advanced civil aircraft include polymer-matrix composite primary structure (laminates, tailored forms, woven and sewn three-dimensional configurations, automated tape and tow placement)
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From page 74...
... Accordingly, the development and harmonization of international standards for materials and processes, testing and evaluation, NDE, and repair and maintenance procedures are critical to developing, and commercializing new materials and structures technology. In spite of the international teaming involved in developing a new aircraft, the manufacture and operation of commercial transports remains an extremely competitive business.
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From page 75...
... While the committee anticipates that this building-block approach to structural design will continue indefinitely, a more rigorous, analytical prediction methodology will greatly improve the process of introducing new materials into airframe primary structure. The committee recommends that the FAA work with other industry, government, academic organizations in the development of improved analytical methods by the following guidelines: Support development and facilitate implementation of advanced analytic and computational methodology to predict residual strength as a function of time.
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From page 76...
... Support the development of cost-effective, quantitative NDE methodologies for in-service inspection of airframe materials and structures. Emphasize improved defect detection reliability, cost-effectiveness, and ease of implementation in field environments.
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Key Terms

  • advanced materials
  • transport aircraft
  • failure modes
  • academic organizations
  • manufacturing processes

  • primary structure
  • technological risk
  • composite primary
  • maintenance program
  • flight hardware

  • residual strength
  • demonstration programs
  • materials industries
  • commercial transports
  • faa work

  • metal alloys
  • structural design
  • hardware demonstration
  • develop improved
  • failure mechanisms

  • commercial transport
  • basic failure
  • analysis methods
  • nondestructive evaluation
  • analytical methods

  • maintenance issues
  • economic climate
  • continued improvements
  • climate affecting
  • government efforts


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